/*
 * Copyright (c) 2010-2011, okazoh_tk. All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *
 *  - Redistributions of source code must retain the above copyright notice,
 *    this list of conditions and the following disclaimer.
 *  - Redistributions in binary form must reproduce the above copyright notice,
 *    this list of conditions and the following disclaimer in the documentation
 *    and/or other materials provided with the distribution.
 *  - Neither the name of the copyright holder nor the names of its contributors
 *    may be used to endorse or promote products derived from this software
 *    without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 */

#include "./GLPrivate.h"

#include "alkes/opengl/GLImageBufferFactory.h"
#include "alkes/opengl/GLImageBuffer.h"

namespace alkes {

GLImageBufferFactory* GLImageBufferFactory::create()
{
    return new GLImageBufferFactory();
}

void GLImageBufferFactory::destroy()
{
    delete this;
}

GLImageBufferFactory::GLImageBufferFactory()
{
    GLint size;
    glGetIntegerv(GL_MAX_TEXTURE_SIZE, &size);
    max_texture_size_ = (uint16_t)size;
    LOGI("GL_MAX_TEXTURE_SIZE=%d", size);
}

GLImageBufferFactory::~GLImageBufferFactory()
{
}

ImageBuffer* GLImageBufferFactory::createImageBuffer(uint16_t width, uint16_t height, PixelFormat format, bool write_only)
{
    if (max_texture_size_ < width || max_texture_size_ < height)
    {
        LOGE("Too big image size. width=%d height=%d max=%d)", width, height, max_texture_size_);
        return 0;
    }

    return GLImageBuffer::create(width, height, format, write_only);
}

}
